| | Mechanicsville, VA | Chelsea, AL | United States |
| Rainfall | 44.4 | 56.3 | 38.1 |
| Snowfall | 12.3 | 1.1 | 27.8 |
| Precipitation Days | 111.6 | 115.5 | 106.2 |
| Sunny | 204 | 207 | 205 |
| Avg. July High | 89.6 | 90.6 | 85.8 |
| Avg. Jan. Low | 27.5 | 33.2 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 4.4 | 5 | 4.3 |
| Elevation ft. | 167 | 512 | 2443 |